• Please note that this App requires iOS 6.0 or later.

All in one App!
Circle of 5ths is essential for all kinds of music. It is absolutely important for musicians to have a basic understanding of how the perfect 5th and intervals work in music.

The series of Circle of 5ths has been improved over the last two years and now the 3rd edition is out. Thanks to all users around the world for your support.

What’s new on the 3rd Edition of the Circle of 5ths Master HD?

New additions:
- Solfége: both fixed Do & movable Do – useful for sight singing
- Inversions of the triads: 1st & 2nd inversions
- Color choice for the circle: eight different colors to choose from
- Key regions: understand the relationship of the keys, useful for a key change & chord progressions
- Hide/Unhide Notes in the triad and interval

Improvements:
- Graphics & design
- Performance & stability
- Scales & Triads
- Contents navigation
- Landscape mode
- Enharmonic Key Signatures

Features (Table of Contents)

1. Circle of 5ths in Flat, Major, minor, blank, minor and sharp
2. Circle of all - 2nds, 3rds, 4ths, 6ths, 7ths, also changeable color of the circle
3. Key signatures & regions – Treble, alto and bass clefs
4. Drag & Drop – practice key signatures and chord progression
5. Triads I & II – complete triads in root, 1st and 2nd inversions with sound
6. Scales – major, natural minor, harmonic minor and melodic minor
7. Solfége in both fixed and movable Do. Sound in slow and fast tempo
8. Intervals - up to perfect 15th with harmonic and melodic sound
9. Enharmonic Key Signatures
10. Key matrices – order of sharps & flats and reverse